How do I use folder filters

[Toby]

I am trying to use folder filters but don't seem to be able to get them to work properly. I am backing up a folder \\?\e:\home folders
to \\?\UNC\backupdata1\home folders , I have ticked to include sub folders. when I run this as a whole it works okay but as it includes 500 or so sub folders I would like to divide it up in to smaller chunks. I would like to divide it up using the alphabet. e.g. first do all folders starting with a or b, then do all folders starting with c or d and so on.
I have tried several variations with the subfolder filters but I can't get it to work. What is the correct syntax for this

[TGRMN Software]

Hello

To include all level-1 subfolders starting with a or b use:

Include \a*
Include \b*
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